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 Robotics / RCX / Java / 254
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Subject: 
Re: Communicating between two RCX'es with cable
Newsgroups: 
lugnet.robotics.rcx.java
Date: 
Sat, 31 May 2003 18:09:21 GMT
Viewed: 
4754 times
  
In lugnet.robotics.rcx.java, Martin Egholm Nielsen wrote:
Hi there,

Long time, no see - I've finally managed to dig out my Lego
once again...

First of all; I'm very pleased to see the outcome of LejOS
2.x - with Proximity, LLC, integration of rcxcomm, etc.

Now, I was wondering if it would be possible somehow to
communicate between two RCX'es by cable - one end attached
to, say, A on the first RCX and the other end attached to,
say, 1 on the other RCX.
What do you say?

This way, one can read from 5 independent sensors at a time,
or may control 5 motors...

Regards,
  Martin E. Nielsen

Why do you want to communicate with a cable when you can use IR transmission ?
I think this IR transmission very easy to use and in this case you could use 6
sensors and 6 motors together.
May be the use of LejOS is the reason....(I don' t know this soft)

I think a simple electronic circuit between one output and one input should be
the answer to your question.It would contains two resistances and one
opto-electronic but it needs soldering.
The opto-electronic act as a electric relay but is faster.
If you are really interested I can mail you the circuit schematic.



Message has 1 Reply:
  Re: Communicating between two RCX'es with cable
 
Hi, (...) Because I want the IR ports free to use along with proximity sensors. (...) Well, if it is not too much to ask... :-) But nevertheless, LejOS should support some low level output handling on A-C before I could use it... Regards, Martin (21 years ago, 1-Jun-03, to lugnet.robotics.rcx.java)

Message is in Reply To:
  Communicating between two RCX'es with cable
 
Hi there, Long time, no see - I've finally managed to dig out my Lego once again... First of all; I'm very pleased to see the outcome of LejOS 2.x - with Proximity, LLC, integration of rcxcomm, etc. Now, I was wondering if it would be possible (...) (21 years ago, 30-May-03, to lugnet.robotics.rcx.java)

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